/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDJointConstraintData.h
Typical gear ratios: Reverse −4.181, 1st 3.818, 2nd 2.294, 3rd 1.500, 4th 1.133, 5th 0.911 Source: Georg Rill. Road Vehicle Dynamics: Fundamentals and Modeling (Ground Vehicle Engineering Series) (p. 121). CRC Press.
namespace Chaos { enum EJointConstraintFlags { JointTransforms = static_cast<uint64_t>(1) << 0, CollisionEnabled = static_cast<uint64_t>(1) << 1, Projection = static_cast<uint64_t>(1) << 2, ParentInvMassScale = static_cast<uint64_t>(1) << 3, LinearBreakForce = static_cast<uint64_t>(1) << 4, AngularBreakTorque = static_cast<uint64_t>(1) << 5, UserData = static_cast<uint64_t>(1) << 6, LinearDrive = static_cast<uint64_t>(1) << 7, AngularDrive = static_cast<uint64_t>(1) << 8, Stiffness = static_cast<uint64_t>(1) << 9, Limits = static_cast<uint64_t>(1) << 10, DummyFlag, } }